432
WWUS46 KOTX 112128
WSWOTX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
228 PM PDT SAT OCT 11 2025
...SNOW FOR THE MOUNTAINS ACROSS EASTERN WASHINGTON AND NORTH IDAHO
SUNDAY INTO MONDAY MORNING...
.A DEEP LOW PRESSURE SYSTEM WILL DROP SOUTH ACROSS THE NORTHWEST
SUNDAY INTO SUNDAY NIGHT. MOISTURE OVERRUNNING COLD CANADIAN AIR
WILL RESULT IN DROPPING SNOW LEVELS WITH PRECIPITATION CHANGING OVER
TO SNOW. MODERATE TO HEAVY SNOW IS EXPECTED FOR HIGHER ELEVATIONS
ABOVE 3000 FEET IN THE CASCADES, NORTHERN MOUNTAINS OF EASTERN
WASHINGTON AND NORTH IDAHO. BACKCOUNTRY RECREATIONALIST SHOULD BE
PREPARED RAPID CHANGES IN WEATHER AND WINTER WEATHER CONDITIONS
INCLUDING WINDS PRODUCING COLD WIND CHILLS IN THE TEENS TO SINGLE
DIGITS.
IDZ001-121415-
/O.UPG.KOTX.WS.A.0003.251012T1500Z-251013T1800Z/
/O.NEW.KOTX.WS.W.0008.251012T2100Z-251013T1200Z/
NORTHERN PANHANDLE-
INCLUDING THE CITIES OF EASTPORT AND SCHWEITZER MOUNTAIN ROAD
228 PM PDT SAT OCT 11 2025
...WINTER STORM WARNING IN EFFECT FROM 2 PM SUNDAY TO 5 AM PDT
MONDAY FOR ELEVATIONS ABOVE 3000 FEET...
* WHAT...HEAVY SNOW EXPECTED FOR ELEVATIONS ABOVE 3000 FEET. TOTAL
SNOW ACCUMULATIONS OF 2 TO 6 INCHES BETWEEN 3000 TO 4000 FEET, AND
6 TO 12 INCHES ABOVE 4000 FEET. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...EASTPORT AND SCHWEITZER MOUNTAIN ROAD.
* WHEN...FROM 2 PM SUNDAY TO 5 AM PDT MONDAY.
* IMPACTS...THE STRONG WINDS AND WEIGHT OF SNOW ON TREE LIMBS MAY
BREAK TREE LIMBS AND COULD CAUSE SPORADIC POWER OUTAGES.
BACKCOUNTRY RECREATIONALIST MAY EXPERIENCE A RAPID DEGRADATION IN
WEATHER CONDITIONS, AND SHOULD BE PREPARED FOR WINTER CONDITIONS
THROUGH THE NIGHT ON SUNDAY. IN ADDITION, BREEZY WINDS IN THE
MOUNTAINS WILL LEAD TO WIND CHILL VALUES IN THE SINGLE DIGITS.
* ADDITIONAL DETAILS...SNOW ON SUNDAY WILL PRIMARILY OCCUR AT THE
HIGHEST ELEVATIONS AND WILL HAVE A HARD TIME STICKING ON ROADS.
TEMPERATURES WILL QUICKLY FALL SUNDAY NIGHT WITH PERIODS OF HEAVY
SNOW DOWN AS LOW AS 3000 FEET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR THE LATEST ROAD
INFORMATION IN IDAHO, CALL 5 1 1.
WAZ037-038-121415-
/O.UPG.KOTX.WS.A.0003.251012T1500Z-251013T1800Z/
/O.NEW.KOTX.WW.Y.0023.251013T0000Z-251013T1200Z/
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
INCLUDING THE CITIES OF SPRINGDALE-HUNTERS ROAD, WAUCONDA,
FLOWERY TRAIL ROAD, ORIN-RICE ROAD, CHESAW ROAD, HIGHWAY
20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, AND SHERMAN PASS
228 PM PDT SAT OCT 11 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM SUNDAY TO 5 AM PDT
MONDAY FOR ELEVATIONS ABOVE 3000 FEET...
* WHAT...SNOW EXPECTED FOR ELEVATIONS ABOVE 3000 FEET. TOTAL SNOW
ACCUMULATIONS OF 2 TO 6 INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...SPRINGDALE-HUNTERS ROAD, WAUCONDA, FLOWERY TRAIL ROAD,
ORIN-RICE ROAD, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER
CREEK ROAD, AND SHERMAN PASS.
* WHEN...FROM 5 PM SUNDAY TO 5 AM PDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. BACKCOUNTRY
RECREATIONALIST MAY EXPERIENCE A RAPID DEGRADATION IN WEATHER
CONDITIONS, AND SHOULD BE PREPARED FOR WINTER CONDITIONS THROUGH
THE NIGHT ON SUNDAY. IN ADDITION, BREEZY WINDS IN THE MOUNTAINS
WILL LEAD TO WIND CHILL VALUES IN THE TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL
WAZ049-121415-
/O.UPG.KOTX.WS.A.0003.251012T1500Z-251013T1800Z/
/O.NEW.KOTX.WW.Y.0023.251012T1500Z-251013T1800Z/
WESTERN OKANOGAN COUNTY-
INCLUDING THE CITIES OF LOUP LOUP PASS
228 PM PDT SAT OCT 11 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 11 AM PDT
MONDAY FOR ELEVATIONS ABOVE 3000 FEET...
* WHAT...SNOW EXPECTED FOR ELEVATIONS ABOVE 3000 FEET. TOTAL SNOW
ACCUMULATIONS OF UP TO 4 INCHES BETWEEN 3000 TO 4000 FEET, AND 4
TO 10 INCHES ABOVE 4000 FEET.
* WHERE...WASHINGTON PASS AND LOUP LOUP PASS.
* WHEN...FROM 8 AM SUNDAY TO 11 AM PDT MONDAY.
* IMPACTS...TRAVEL OVER MOUNTAIN PASSES COULD BE DIFFICULT.
BACKCOUNTRY RECREATIONALIST MAY EXPERIENCE A RAPID DEGRADATION IN
WEATHER CONDITIONS, AND SHOULD BE PREPARED FOR WINTER CONDITIONS
THROUGH THE NIGHT ON SUNDAY. IN ADDITION, BREEZY WINDS IN THE
MOUNTAINS WILL LEAD TO WIND CHILL VALUES IN THE TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL
WAZ047-048-121415-
/O.NEW.KOTX.WW.Y.0023.251012T1500Z-251013T1800Z/
CENTRAL CHELAN COUNTY-WESTERN CHELAN COUNTY-
INCLUDING THE CITIES OF HOLDEN VILLAGE AND STEVENS PASS
228 PM PDT SAT OCT 11 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 11 AM PDT
MONDAY FOR ELEVATIONS ABOVE 3000 FEET...
* WHAT...SNOW EXPECTED FOR ELEVATIONS ABOVE 3000 FEET. TOTAL SNOW
ACCUMULATIONS 0F 2 TO 6 INCHES BETWEEN 3000 TO 4000 FEET, AND 6 TO
12 INCHES ABOVE 4000 FEET.
* WHERE...HOLDEN VILLAGE AND STEVENS PASS.
* WHEN...FROM 8 AM SUNDAY TO 11 AM PDT MONDAY.
* IMPACTS...TRAVEL OVER MOUNTAIN PASSES COULD BE DIFFICULT.
BACKCOUNTRY RECREATIONALIST MAY EXPERIENCE A RAPID DEGRADATION IN
WEATHER CONDITIONS, AND SHOULD BE PREPARED FOR WINTER CONDITIONS
THROUGH THE NIGHT ON SUNDAY. IN ADDITION, BREEZY WINDS IN THE
MOUNTAINS WILL LEAD TO WIND CHILL VALUES IN THE TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST TRAVEL
INFORMATION IN WASHINGTON, GO TO HTTPS://WSDOT.WA.GOV/TRAVEL
SVH
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